package cn.wolfcode.service.impl;

import cn.wolfcode.domain.Employee;
import cn.wolfcode.domain.Notice;
import cn.wolfcode.mapper.NoticeMapper;
import cn.wolfcode.query.QueryObject;
import cn.wolfcode.service.INoticeService;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import org.apache.shiro.SecurityUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.Date;
import java.util.List;

@Service
public class NoticeServiceImpl implements INoticeService {

    @Autowired
    private NoticeMapper noticeMapper;


    @Override
    public void save (Notice notice) {
        //设置时间为当前保存的时间
        notice.setPubdate(new Date());

        Employee employee = (Employee) SecurityUtils.getSubject().getPrincipal();
        notice.setIssuer(employee);

        noticeMapper.insert(notice);
    }

    @Override
    public void delete (Long id) {
        noticeMapper.deleteByPrimaryKey(id);

        if (id != null) {
            noticeMapper.deleteBatch(id);
        }
    }

    @Override
    public void update (Notice notice) {
        noticeMapper.updateByPrimaryKey(notice);
    }

    @Override
    public Notice get (Long id) {
        return noticeMapper.selectByPrimaryKey(id);
    }

    @Override
    public List<Notice> listAll () {
        return noticeMapper.selectAll();
    }

    @Override
    public PageInfo<Notice> query (QueryObject qo) {
        PageHelper.startPage(qo.getCurrentPage(), qo.getPageSize()); //对下一句sql进行自动分页
        List<Notice> notices = noticeMapper.selectForList(qo); //里面不需要自己写limit
        return new PageInfo<Notice>(notices);
    }

    @Override
    public Employee seleceRelation (Long id) {
        return noticeMapper.selectRelation(id);
    }

}
